Alder Tongue
Alder Tongue - Taphrina alni
Alternative names
Taphrina amentorum
Description
Taphrina alni is a fungus that causes Alder Tongue galls on female Alder (Alnus) catkins. Green at first, the galls gradually turn red and can then persist all year.
Identification difficulty
UK Status
Once rare in the United Kingdom and confined to Cornwall, it has spread rapidly since 1999 (ref.: Redfern & Shirley, 2023)
Graham Calow
Fosse Meadows, Sharnford
07 September 2014
gall on female Alder catkin
Graham Calow
Broughton Astley, B581 Broughton Way
03 June 2022
gall on female Alder catkin
Paul Ruddoch
Priors Close
06 August 2015
Alan Semper
Melton Country Park
29 August 2014
Graham Calow
Ullesthorpe Stewardship Farm
05 September 2012
on female Alder catkins
Hazel Graves
Sandhills Lodge
27 July 2021
David Gould
Aylestone Meadows, Leicester.
12 August 2018
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